13155274 has 8 divisors (see below), whose sum is σ = 21526848. Its totient is φ = 5979660.

The previous prime is 13155223. The next prime is 13155281. The reversal of 13155274 is 47255131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13155274² = 346122468030152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298962 + ... + 299005.

It is an arithmetic number, because the mean of its divisors is an integer number (2690856).

Almost surely, 2^13155274 is an apocalyptic number.

13155274 is a deficient number, since it is larger than the sum of its proper divisors (8371574).

13155274 is a wasteful number, since it uses less digits than its factorization.

13155274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597980.

The product of its digits is 4200, while the sum is 28.

The square root of 13155274 is about 3627.0199889165. The cubic root of 13155274 is about 236.0659228842.

The spelling of 13155274 in words is "thirteen million, one hundred fifty-five thousand, two hundred seventy-four".